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After completing a degree in Art with a concentration in Architecture, Eleonora Mantini began her career as a designer in Rome working alongside renowned goldsmith, Professor Mario Turrini, whose laboratory's fucus is on the construction of jewelry, beauty design research, methodology and gold sculpture.

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In 1996, Mantini earned a diploma at the European Institute of Design in Rome.

During the final year of her studies she collaborated with the Cimento Society, working on and creating a collection of jewels inspired by architect Andrea Palladio.

Simultaneously, Mantini created a line of accessories for the Lancetti Fall/Winter collection.



By 2000, Mantini eas awarded second place in the "New Talen" competition held by esteemed architect Massimo Zucchi (during the "Vicenza Oro" fair), as well as being named among the finalists in the Diamond Design Awards competition, "Diamanti Domani", organized by the world's leading diamond company De Beers.

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Later Mantini decided to leave Turrini's workshop and immediately began collaborating and designing with the Gianni Carità Company, one of the most important Italian producers of jewels, At the time, Mantini joined forces with Parsifal, for which she designed and monitored the modeling and forming of prototypes.



Before founding her own jewelry line, Mantini held a number of important roles in various collaborations with designers, fashion houses and workshops throughout Europe: she has wotked with important names such as Arata Gioielli of Valenza, L'Esagono of Rome and Camillo Bona in the production of high fashion jewelry for her Spring/Summer collection.

Additionally, Mantini designed the pearl jewelry collection for Majorca S.A. of Barcelona, she collaborated with Emmetre Gioielleria by Mario Meola (Tari) ans Antonimi in Milan on their jewelry design line, "Jewels in Motion".



In 2000 Mantini established Clee Gioielli, a company focused on the creation and production of fine jewelry in gold and precious stones. Her collections are characterized and identified by their style, design, construction, Italian creativity and skill, and the expertise gained through many years of working with the masters of gold and jewelry design. Mantini's techniques and concepts are always evolving, as she is on a continuous search for new precious materials.

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Her company collections have gained a position n the storefront displays of the finest jewelry retailers in Italy and Mantini's designs are often worn by noted individuals throughout Europe.



Mantini's deep love for diamonds and frequent travels throughout Hong Kong, India, New York and Belgium serve as continuous stimuli for the creation of new innovative collections.

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